Poly (alkylene oxide)s in photographic elements

Abstract

A silver halide color photographic element comprising a support, a silver halide emulsion and poly(alkylene oxide)s wherein greater than 50 percent of the poly(alkylene oxide)s have acidic functional end groups with an aqueous pKa.ltoreq.10, or end groups which will react to form acidic functional end groups with an aqueous pKa.ltoreq.10 during development, on both termini; and wherein the poly(alkylene oxide)s have a molecular weight ranging substantially between 1700 and 6000 AMU.

Claims

1. A silver halide color multilayer photographic element comprising a support, at least two silver halide emulsion layers and poly(alkylene oxide)s wherein greater than 50 percent of the poly(alkylene oxide)s have acidic functional end groups with an aqueous pKa.ltoreq.10, or end groups which will react to form acidic functional end groups with an aqueous pKa.ltoreq.10 during development, on both termini; and wherein the poly(alkylene oxide)s have a molecular weight ranging substantially between 3000 and 6000 AMU.

2. The silver halide color photographic element of claim 1 wherein greater than 95 percent of the poly(alkylene oxide)s have acidic functional end groups with an aqueous pKa.ltoreq.10, or end groups which will react to form acidic functional end groups with an aqueous pKa.ltoreq.10 during development, on both termini.

3. The silver halide color photographic element of claim 1 wherein the poly(alkylene oxide)s have a molecular weight ranging substantially between 3000 and 4500 AMU.

4. A silver halide color multilayer photographic element comprising a support, at least two silver halide emulsion layers and poly(alkylene oxide)s wherein greater than 50 percent of the poly(alkylene oxide)s are represented by Formula I ##STR31## wherein A and A' are independently acidic functional groups;

L and L.sub.i are independently divalent organic linking groups;

X.sub.i is independently a non-metallic heteroatom; with the proviso that at least one X.sub.i is an oxygen; and n is one to 300; and wherein the poly(alkylene oxide)s have a molecular weight ranging substantially between 3000 and 6000 AMU.

5. The silver halide photographic element of claim 4 wherein greater than 95 percent of the of poly(alkylene oxide)s are represented by Formula I.

6. The silver halide photographic element of claim 4 wherein the poly(alkylene oxide)s have a molecular weight ranging substantially between 3000 and 4500 AMU.

7. The silver halide photographic element of claim 4 wherein A and A' are independently carboxylic acid, carboxylate salt, or sulfonic acid.

8. The silver halide photographic element of claim 4 wherein L and L.sub.i are independently substituted or unsubstituted alkylene, alkenyl, arylene, aralkylene or heteroarylene groups.

9. The silver halide photographic element of claim 8 wherein L and L.sub.i are substituted or unsubstituted ethylene groups.

10. The silver halide photographic element of claim 4 wherein X.sub.i is independently --O--, --SO--, --SO.sub.2 --, or --NR.sub.1 -- wherein R.sub.1 is hydrogen or a carboxyl, sulfonyl, or substituted or unsubstituted unsubstituted alkyl, alkenyl, aryl, aralkyl or heteroaryl group.

11. The silver halide photographic element of claim 10 wherein X.sub.i is --O--.

12. The silver halide photographic element of claim 4 wherein the L and L.sub.i are independently substituted or unsubstituted aklylene, arylene, or arylakylene groups; A and A' are independently carboxylic acid, a carboxylate salt, or sulfonic acid; and X.sub.i is independently --O--, --SO--, --SO.sub.2 --, or --NR.sub.1 -- wherein R.sub.1, is hydrogen or a carboxyl, sulfonyl, or substituted or unsubstituted unsubstituted alkyl, alkenyl, aryl, aralkyl or heteroaryl groups.

13. The silver halide photographic element of claim 12 wherein L and L.sub.i are substituted or unsubstituted ethylene groups.

14. The silver halide photographic element of claim 12 wherein X.sub.i is --O--.